[uClinux-dev] [PATCH] NOMMU: fix malloc performance by adding uninitialized flag

2009-10-13 Thread Mike Frysinger
From: Jie Zhang jie.zh...@analog.com The no-mmu code currently clears all anonymous mmap-ed memory. While this is what we want in the default case, all memory allocation from userspace under no-mmu has to go through this interface, including malloc() which is allowed to return uninitialized

[uClinux-dev] Re: [PATCH v2] NOMMU: fix malloc performance by adding uninitialized flag

2009-10-13 Thread Paul Mundt
On Tue, Oct 13, 2009 at 07:20:21AM -0400, Mike Frysinger wrote: From: Jie Zhang jie.zh...@analog.com The NOMMU code currently clears all anonymous mmapped memory. While this is what we want in the default case, all memory allocation from userspace under NOMMU has to go through this

Re: [uClinux-dev] building uClibc

2009-10-13 Thread Lennart Sorensen
On Mon, Oct 12, 2009 at 11:53:45AM +0100, Philip Nye wrote: I am trying to build a system for Coldfire with an up-to-date kernel, tools and library. I have the latest uClinux dist (patched to 20090810) and Codesourcery tools 4.3-209. This refused to build with an error of limits.h not found.

Re: [uClinux-dev] [PATCH] NOMMU: fix malloc performance by addinguninitialized flag

2009-10-13 Thread Robin Getz
On Tue 13 Oct 2009 03:44, Mike Frysinger pondered: From: Jie Zhang jie.zh...@analog.com The no-mmu code currently clears all anonymous mmap-ed memory. While this is what we want in the default case, all memory allocation from userspace under no-mmu has to go through this interface,

[uClinux-dev] Re: [PATCH v3] NOMMU: fix malloc performance by adding uninitialized flag

2009-10-13 Thread David McCullough
Jivin Mike Frysinger lays it down ... From: Jie Zhang jie.zh...@analog.com The NOMMU code currently clears all anonymous mmapped memory. While this is what we want in the default case, all memory allocation from userspace under NOMMU has to go through this interface, including malloc()